Urophora jaceana (Hering, 1935)
(Knapweed Gall-fly)

Interactions where Urophora jaceana is the dominant partner and gains from the process

The following relationships have been collated from the published literature (see 'Interaction References').

Stage Summary Taxon Vernacular Classification References Darwin Classification of Active Taxon Active Taxon Active Vernacular Active Taxon Uncertain Active State Active Part Active Stage Relationship Relationship Uncertain Relationship Geography Darwin Classification of Passive Taxon Passive Taxon Passive Vernacular Passive Taxon Uncertain Passive State Passive Part Passive Stage Passive Taxon's significance to Active Taxon Indoors etc Season
larva larva causes gall of capitulum Centaurea knapweeds and star-thistles Asterales: Asteraceae Provisional Keys to British Plant Galls, Stubbs, F.B. (Editor), 1986
 /Animalia/Arthropoda/Insecta/Diptera/Tephritidae/Urophora jaceana/Urophora jaceanaknapweed gall-flylarva Foodplant / gall /Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Centaurea/Centaureaknapweeds and star-thistlescapitulum
larva larva causes gall of capitulum Foreign+?UK/Eire Centaurea debeauxii Chalk Knapweed, Slender Knapweed Asterales: Asteraceae Tephritid Flies (Diptera: Tephritidae), White, I.M., 1988
 /Animalia/Arthropoda/Insecta/Diptera/Tephritidae/Urophora jaceana/Urophora jaceanaknapweed gall-flylarva Foodplant / gallConfirmed abroad, probable in UK/Eire /Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Centaurea debeauxii/Centaurea debeauxiichalk knapweed, slender knapweedcapitulum
larva larva causes gall of capitulum Foreign Centaurea jacea Brown Knapweed Asterales: Asteraceae Tephritid Flies (Diptera: Tephritidae), White, I.M., 1988
 /Animalia/Arthropoda/Insecta/Diptera/Tephritidae/Urophora jaceana/Urophora jaceanaknapweed gall-flylarva Foodplant / gallForeign /Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Centaurea jacea/Centaurea jaceabrown knapweedcapitulum
larva larva causes gall of achene UK/IrelandMajor Centaurea nigra sens. lat. (=nigra/debeauxii) common knapweed, lesser knapweed, hardheads Asterales: Asteraceae Plant Galls, Redfern, M. & Askew, R.R., 1992
Tephritid Flies (Diptera: Tephritidae), White, I.M., 1988
 /Animalia/Arthropoda/Insecta/Diptera/Tephritidae/Urophora jaceana/Urophora jaceanaknapweed gall-flylarva Foodplant / gallUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Centaurea nigra sens. lat. (=nigra/debeauxii)/Centaurea nigra sens. lat. (=nigra/debeauxii)common knapweed, lesser knapweed, hardheadsacheneMajor (-9)
larva larva causes gall of receptacle UK/IrelandMajor Centaurea nigra sens. lat. (=nigra/debeauxii) common knapweed, lesser knapweed, hardheads Asterales: Asteraceae Plant Galls, Redfern, M. & Askew, R.R., 1992
Tephritid Flies (Diptera: Tephritidae), White, I.M., 1988
 /Animalia/Arthropoda/Insecta/Diptera/Tephritidae/Urophora jaceana/Urophora jaceanaknapweed gall-flylarva Foodplant / gallUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Centaurea nigra sens. lat. (=nigra/debeauxii)/Centaurea nigra sens. lat. (=nigra/debeauxii)common knapweed, lesser knapweed, hardheadsreceptacleMajor (-9)

Interactions where Urophora jaceana is the victim or passive partner (and generally loses out from the process)

The following relationships have been collated from the published literature (see 'Interaction References').

Filters:

Affected Part Summary Taxon Vernacular Classification References Darwin Classification of Active Taxon Active Taxon Active Vernacular Active Taxon Uncertain Active State Active Part Active Stage Relationship Relationship Uncertain Relationship Geography Darwin Classification of Passive Taxon Passive Taxon Passive Vernacular Passive Taxon Uncertain Passive State Passive Part Passive Stage Passive Taxon's significance to Active Taxon Indoors etc Season Summary
larva is endoparasitoid host of larva Eurytoma compressa a chalcid wasp Hymenoptera: Eurytomidae The Natural History of Spear Thistle-heads, Redfern, M., 1968
 /Animalia/Arthropoda/Insecta/Hymenoptera/Eurytomidae/Eurytoma compressa/Eurytoma compressaa chalcid wasplarva Animal / parasitoid / endoparasitoid /Animalia/Arthropoda/Insecta/Diptera/Tephritidae/Urophora jaceana/Urophora jaceanaknapweed gall-flylarva larva is endoparasitoid of larva
larva is ectoparasitoid host of larva Habrocytus elevatus a chalcid wasp Hymenoptera: Pteromalidae The Natural History of Spear Thistle-heads, Redfern, M., 1968
 /Animalia/Arthropoda/Insecta/Hymenoptera/Pteromalidae/Habrocytus elevatus/Habrocytus elevatusa chalcid wasplarva Animal / parasitoid / ectoparasitoid /Animalia/Arthropoda/Insecta/Diptera/Tephritidae/Urophora jaceana/Urophora jaceanaknapweed gall-flylarva larva is ectoparasitoid of larva
larva is ectoparasitoid host of larva Torymus chloromerus a chalcid wasp Hymenoptera: Torymidae The Natural History of Spear Thistle-heads, Redfern, M., 1968
 /Animalia/Arthropoda/Insecta/Hymenoptera/Torymidae/Torymus chloromerus/Torymus chloromerusa chalcid wasplarva Animal / parasitoid / ectoparasitoid /Animalia/Arthropoda/Insecta/Diptera/Tephritidae/Urophora jaceana/Urophora jaceanaknapweed gall-flylarva larva is ectoparasitoid of larva

Author & YearTitleSource
Redfern, M. & Askew, R.R., 1992Plant GallsNaturalists’ Handbooks, No 17, 99pp, The Richmond Publishing Co. Ltd
Redfern, M., 1968The Natural History of Spear Thistle-headsField Studies Vol 2, No 5: 669-717.
Stubbs, F.B. (Editor), 1986Provisional Keys to British Plant Galls95pp, British Plant Gall Society (BPGS)
White, I.M., 1988Tephritid Flies (Diptera: Tephritidae)Handbooks for the Identification of British Insects , Vol 10. Part 5a, 134pp, The Royal Entomological Society of London

Urophora jaceana (Knapweed Gall-fly) may also be included in 'feeds on' relations listed under the following higher taxa:

Urophora jaceana (Knapweed Gall-fly) may also be included in 'fed on by' relations listed under the following higher taxa:

Taxonomic hierarchy:
SpeciesUrophora jaceana (Knapweed Gall-fly)
GenusUrophora (a genus of gall flies)
FamilyTEPHRITIDAE (gall-flies, greater fruit flies)
SuperfamilyTEPHRITOIDEA (lance and picture-wing flies)
InfraorderSchizophora - Acalyptratae (an infraorder of flies)
OrderDIPTERA (two-winged flies)
Division Endopterygota (bees, beetles, flies, moths and other insects with wings developing internally)
InfraclassNeoptera (bees, beetles, flies, grasshoppers, moths and other advanced insects)
SubclassPTERYGOTA (bees, beetles, dragonflies, flies, grasshoppers, moths and other winged insects)
ClassINSECTA (true insects)
SubphylumHEXAPODA (insects and other 6-legged organisms)
PhylumARTHROPODA (arthropods)
SuperphylumECDYSOZOA (skin shedders)
CladeBilateria (bilaterally symmetrical animals)
SubkingdomEUMETAZOA (metazoans)
KingdomANIMALIA (animals)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
NBNNBN (data.nbn.org.uk) has a distribution map for Urophora jaceana (Knapweed Gall-fly)

Urophora jaceana (Knapweed Gall-fly) may be included in identification literature listed under the following higher taxa:

General Works

AuthorYearTitleSource

Pathology

Varley, G.C. 1947 The natural control of population balance in the Knapweed Gall-fly (Urophora jaceana) Journal of Animal Ecology Vol 16 (2): 139-187.

Literature listed under the following higher taxa may also be relevant to Urophora jaceana (Knapweed Gall-fly):

BioImagesBioImages (www.bioimages.org.uk) has 24 images of Urophora jaceana (Knapweed Gall-fly)
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